kthread_insert_work
kthread_insert_work(worker, work, &worker->work_list);
kthread_insert_work(worker, work, &worker->work_list);
kthread_insert_work(worker, work, &worker->work_list);
kthread_insert_work(worker, &fwork.work, work->node.next);
kthread_insert_work(worker, &fwork.work,